* {
    padding: 0;
    margin: 0;
    list-style: none;
    border: none;
    outline: none;
}

body {
    width: 100vw;
    height: 100vh;
    background: url(../images/bilibili.jpg);
    background-size: cover;
    background-position: center;
}

#canvas {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.6);
}
